Yamaha PortaTone PSR-70 Owner's Manual - Page 25

Browse online or download pdf Owner's Manual for Electronic Keyboard Yamaha PortaTone PSR-70. Yamaha PortaTone PSR-70 36 pages. Yamaha digital entertainment keyboard mini hand book
Also for Yamaha PortaTone PSR-70: Owner's Manual (37 pages), (Japanese) Midi Handbook (16 pages)